Decouple the processor from the receiver

src/Protocol/ActivityPub/Processor.php

@@ -982,7 +982,6 @@ class Processor
 			Queue::remove($activity);
 
 			if (Queue::hasChildren($item['uri'])) {
-				//Queue::processReplyByUri($item['uri']);
 				Worker::add(PRIORITY_HIGH, 'ProcessReplyByUri', $item['uri']);
 			}
 		}

src/Protocol/ActivityPub/Queue.php

@@ -167,13 +167,14 @@ class Queue
 	 * Process the activity with the given id
 	 *
 	 * @param integer $id
-	 * @return void
+	 *
+	 * @return bool
 	 */
-	public static function process(int $id)
+	public static function process(int $id): bool
 	{
 		$entry = DBA::selectFirst('inbox-entry', [], ['id' => $id]);
 		if (empty($entry)) {
-			return;
+			return false;
 		}
 
 		Logger::debug('Processing queue entry', ['id' => $entry['id'], 'type' => $entry['type'], 'object-type' => $entry['object-type'], 'uri' => $entry['object-id'], 'in-reply-to' => $entry['in-reply-to-id']]);
@@ -197,6 +198,8 @@ class Queue
 		if (!Receiver::routeActivities($activity, $type, $push)) {
 			self::remove($activity);
 		}
+
+		return true;
 	}
 
 	/**

src/Protocol/ActivityPub/Receiver.php

@@ -28,6 +28,7 @@ use Friendica\Content\Text\Markdown;
 use Friendica\Core\Logger;
 use Friendica\Core\Protocol;
 use Friendica\Core\System;
+use Friendica\Core\Worker;
 use Friendica\DI;
 use Friendica\Model\Contact;
 use Friendica\Model\APContact;
@@ -36,6 +37,7 @@ use Friendica\Model\Post;
 use Friendica\Model\User;
 use Friendica\Protocol\Activity;
 use Friendica\Protocol\ActivityPub;
+use Friendica\Util\DateTimeFormat;
 use Friendica\Util\HTTPSignature;
 use Friendica\Util\JsonLD;
 use Friendica\Util\LDSignature;
@@ -597,6 +599,13 @@ class Receiver
 			return;
 		}
 
+		if ($push) {
+			// We delay by 5 seconds to allow to accumulate all receivers
+			$delayed = date(DateTimeFormat::MYSQL, time() + 5);
+			Worker::add(['priority' => PRIORITY_HIGH, 'delayed' => $delayed], 'ProcessQueue', $object_data['entry-id']);
+			return;
+		}
+
 		if (!empty($activity['recursion-depth'])) {
 			$object_data['recursion-depth'] = $activity['recursion-depth'];
 		}

src/Worker/ProcessQueue.php

@@ -0,0 +1,42 @@
+<?php
+/**
+ * @copyright Copyright (C) 2010-2022, the Friendica project
+ *
+ * @license GNU AGPL version 3 or any later version
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ *
+ */
+
+namespace Friendica\Worker;
+
+use Friendica\Core\Logger;
+use Friendica\Protocol\ActivityPub\Queue;
+
+class ProcessQueue
+{
+	/**
+	 * Process queue entry
+	 *
+	 * @param int $id queue id
+	 *
+	 * @return void
+	 */
+	public static function execute(int $id)
+	{
+		Logger::info('Start processing queue entry', ['id' => $id]);
+		$result = Queue::process($id);
+		Logger::info('Successfully processed queue entry', ['result' => $result, 'id' => $id]);
+	}
+}